CVE Explorer
CVE-2026-55145
Improper neutralization of special elements used in a command ('command injection') in Outlook Copilot allows an authorized attacker to perform tampering over a network.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"Microsoft Copilot","vendor":"Microsoft","versions":[{"status":"affected","version":"-"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:95975310e5fbb52db7cc42e782817612f2f46ff5abddbc5d2ca62bbebbad31dd · sha256:a84559aefdc086a2… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:95975310e5fbb52db7cc42e782817612f2f46ff5abddbc5d2ca62bbebbad31dd · sha256:a84559aefdc086a2… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-77","description":"CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')","lang":"en-US","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:95975310e5fbb52db7cc42e782817612f2f46ff5abddbc5d2ca62bbebbad31dd · sha256:a84559aefdc086a2… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"Outlook Copilot Tampering Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55145"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:95975310e5fbb52db7cc42e782817612f2f46ff5abddbc5d2ca62bbebbad31dd · sha256:a84559aefdc086a2… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.